4. how does an increase in orbital radius affect average orbital speed

Which statement best describes how private industry decides where to spend the money on research and development

James is trying to prove newton's 2nd law of motion. he tries to move four different objects with different masses, shapes, and sizes from point a to point b. the objects are a toy car, a car, a refrigerator, and a kitchen table. after some experimentation, he finds that force is dependent on the mass of the object, rather than it's size or shape. the object that takes the most force to move is the

How is zig zagging a form of acceleration?